724 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			724 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0+ */
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| /* Copyright (C) 2018 Microchip Technology Inc. */
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| 
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| #include <linux/netdevice.h>
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| #include "lan743x_main.h"
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| #include "lan743x_ethtool.h"
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| #include <linux/net_tstamp.h>
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| #include <linux/pci.h>
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| #include <linux/phy.h>
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| 
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| /* eeprom */
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| #define LAN743X_EEPROM_MAGIC		    (0x74A5)
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| #define LAN743X_OTP_MAGIC		    (0x74F3)
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| #define EEPROM_INDICATOR_1		    (0xA5)
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| #define EEPROM_INDICATOR_2		    (0xAA)
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| #define EEPROM_MAC_OFFSET		    (0x01)
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| #define MAX_EEPROM_SIZE			    512
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| #define OTP_INDICATOR_1			    (0xF3)
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| #define OTP_INDICATOR_2			    (0xF7)
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| 
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| static int lan743x_otp_write(struct lan743x_adapter *adapter, u32 offset,
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| 			     u32 length, u8 *data)
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| {
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| 	unsigned long timeout;
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| 	u32 buf;
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| 	int i;
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| 
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| 	buf = lan743x_csr_read(adapter, OTP_PWR_DN);
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| 
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| 	if (buf & OTP_PWR_DN_PWRDN_N_) {
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| 		/* clear it and wait to be cleared */
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| 		lan743x_csr_write(adapter, OTP_PWR_DN, 0);
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| 
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| 		timeout = jiffies + HZ;
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| 		do {
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| 			udelay(1);
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| 			buf = lan743x_csr_read(adapter, OTP_PWR_DN);
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| 			if (time_after(jiffies, timeout)) {
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| 				netif_warn(adapter, drv, adapter->netdev,
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| 					   "timeout on OTP_PWR_DN completion\n");
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| 				return -EIO;
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| 			}
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| 		} while (buf & OTP_PWR_DN_PWRDN_N_);
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| 	}
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| 
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| 	/* set to BYTE program mode */
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| 	lan743x_csr_write(adapter, OTP_PRGM_MODE, OTP_PRGM_MODE_BYTE_);
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| 
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| 	for (i = 0; i < length; i++) {
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| 		lan743x_csr_write(adapter, OTP_ADDR1,
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| 				  ((offset + i) >> 8) &
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| 				  OTP_ADDR1_15_11_MASK_);
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| 		lan743x_csr_write(adapter, OTP_ADDR2,
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| 				  ((offset + i) &
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| 				  OTP_ADDR2_10_3_MASK_));
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| 		lan743x_csr_write(adapter, OTP_PRGM_DATA, data[i]);
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| 		lan743x_csr_write(adapter, OTP_TST_CMD, OTP_TST_CMD_PRGVRFY_);
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| 		lan743x_csr_write(adapter, OTP_CMD_GO, OTP_CMD_GO_GO_);
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| 
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| 		timeout = jiffies + HZ;
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| 		do {
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| 			udelay(1);
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| 			buf = lan743x_csr_read(adapter, OTP_STATUS);
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| 			if (time_after(jiffies, timeout)) {
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| 				netif_warn(adapter, drv, adapter->netdev,
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| 					   "Timeout on OTP_STATUS completion\n");
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| 				return -EIO;
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| 			}
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| 		} while (buf & OTP_STATUS_BUSY_);
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| static int lan743x_eeprom_wait(struct lan743x_adapter *adapter)
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| {
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| 	unsigned long start_time = jiffies;
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| 	u32 val;
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| 
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| 	do {
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| 		val = lan743x_csr_read(adapter, E2P_CMD);
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| 
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| 		if (!(val & E2P_CMD_EPC_BUSY_) ||
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| 		    (val & E2P_CMD_EPC_TIMEOUT_))
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| 			break;
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| 		usleep_range(40, 100);
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| 	} while (!time_after(jiffies, start_time + HZ));
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| 
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| 	if (val & (E2P_CMD_EPC_TIMEOUT_ | E2P_CMD_EPC_BUSY_)) {
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| 		netif_warn(adapter, drv, adapter->netdev,
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| 			   "EEPROM read operation timeout\n");
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| 		return -EIO;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| static int lan743x_eeprom_confirm_not_busy(struct lan743x_adapter *adapter)
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| {
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| 	unsigned long start_time = jiffies;
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| 	u32 val;
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| 
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| 	do {
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| 		val = lan743x_csr_read(adapter, E2P_CMD);
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| 
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| 		if (!(val & E2P_CMD_EPC_BUSY_))
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| 			return 0;
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| 
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| 		usleep_range(40, 100);
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| 	} while (!time_after(jiffies, start_time + HZ));
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| 
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| 	netif_warn(adapter, drv, adapter->netdev, "EEPROM is busy\n");
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| 	return -EIO;
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| }
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| 
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| static int lan743x_eeprom_read(struct lan743x_adapter *adapter,
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| 			       u32 offset, u32 length, u8 *data)
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| {
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| 	int retval;
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| 	u32 val;
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| 	int i;
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| 
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| 	retval = lan743x_eeprom_confirm_not_busy(adapter);
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| 	if (retval)
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| 		return retval;
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| 
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| 	for (i = 0; i < length; i++) {
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| 		val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_READ_;
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| 		val |= (offset & E2P_CMD_EPC_ADDR_MASK_);
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| 		lan743x_csr_write(adapter, E2P_CMD, val);
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| 
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| 		retval = lan743x_eeprom_wait(adapter);
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| 		if (retval < 0)
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| 			return retval;
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| 
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| 		val = lan743x_csr_read(adapter, E2P_DATA);
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| 		data[i] = val & 0xFF;
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| 		offset++;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| static int lan743x_eeprom_write(struct lan743x_adapter *adapter,
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| 				u32 offset, u32 length, u8 *data)
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| {
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| 	int retval;
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| 	u32 val;
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| 	int i;
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| 
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| 	retval = lan743x_eeprom_confirm_not_busy(adapter);
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| 	if (retval)
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| 		return retval;
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| 
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| 	/* Issue write/erase enable command */
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| 	val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_EWEN_;
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| 	lan743x_csr_write(adapter, E2P_CMD, val);
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| 
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| 	retval = lan743x_eeprom_wait(adapter);
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| 	if (retval < 0)
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| 		return retval;
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| 
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| 	for (i = 0; i < length; i++) {
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| 		/* Fill data register */
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| 		val = data[i];
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| 		lan743x_csr_write(adapter, E2P_DATA, val);
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| 
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| 		/* Send "write" command */
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| 		val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_WRITE_;
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| 		val |= (offset & E2P_CMD_EPC_ADDR_MASK_);
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| 		lan743x_csr_write(adapter, E2P_CMD, val);
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| 
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| 		retval = lan743x_eeprom_wait(adapter);
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| 		if (retval < 0)
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| 			return retval;
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| 
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| 		offset++;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| static void lan743x_ethtool_get_drvinfo(struct net_device *netdev,
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| 					struct ethtool_drvinfo *info)
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| {
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| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
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| 
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| 	strlcpy(info->driver, DRIVER_NAME, sizeof(info->driver));
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| 	strlcpy(info->bus_info,
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| 		pci_name(adapter->pdev), sizeof(info->bus_info));
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| }
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| 
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| static u32 lan743x_ethtool_get_msglevel(struct net_device *netdev)
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| {
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| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
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| 
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| 	return adapter->msg_enable;
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| }
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| 
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| static void lan743x_ethtool_set_msglevel(struct net_device *netdev,
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| 					 u32 msglevel)
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| {
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| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
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| 
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| 	adapter->msg_enable = msglevel;
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| }
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| 
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| static int lan743x_ethtool_get_eeprom_len(struct net_device *netdev)
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| {
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| 	return MAX_EEPROM_SIZE;
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| }
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| 
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| static int lan743x_ethtool_get_eeprom(struct net_device *netdev,
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| 				      struct ethtool_eeprom *ee, u8 *data)
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| {
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| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
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| 
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| 	return lan743x_eeprom_read(adapter, ee->offset, ee->len, data);
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| }
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| 
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| static int lan743x_ethtool_set_eeprom(struct net_device *netdev,
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| 				      struct ethtool_eeprom *ee, u8 *data)
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| {
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| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
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| 	int ret = -EINVAL;
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| 
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| 	if (ee->magic == LAN743X_EEPROM_MAGIC)
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| 		ret = lan743x_eeprom_write(adapter, ee->offset, ee->len,
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| 					   data);
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| 	/* Beware!  OTP is One Time Programming ONLY!
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| 	 * So do some strict condition check before messing up
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| 	 */
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| 	else if ((ee->magic == LAN743X_OTP_MAGIC) &&
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| 		 (ee->offset == 0) &&
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| 		 (ee->len == MAX_EEPROM_SIZE) &&
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| 		 (data[0] == OTP_INDICATOR_1))
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| 		ret = lan743x_otp_write(adapter, ee->offset, ee->len, data);
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| 
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| 	return ret;
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| }
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| 
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| static const char lan743x_set0_hw_cnt_strings[][ETH_GSTRING_LEN] = {
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| 	"RX FCS Errors",
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| 	"RX Alignment Errors",
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| 	"Rx Fragment Errors",
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| 	"RX Jabber Errors",
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| 	"RX Undersize Frame Errors",
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| 	"RX Oversize Frame Errors",
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| 	"RX Dropped Frames",
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| 	"RX Unicast Byte Count",
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| 	"RX Broadcast Byte Count",
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| 	"RX Multicast Byte Count",
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| 	"RX Unicast Frames",
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| 	"RX Broadcast Frames",
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| 	"RX Multicast Frames",
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| 	"RX Pause Frames",
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| 	"RX 64 Byte Frames",
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| 	"RX 65 - 127 Byte Frames",
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| 	"RX 128 - 255 Byte Frames",
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| 	"RX 256 - 511 Bytes Frames",
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| 	"RX 512 - 1023 Byte Frames",
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| 	"RX 1024 - 1518 Byte Frames",
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| 	"RX Greater 1518 Byte Frames",
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| };
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| 
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| static const char lan743x_set1_sw_cnt_strings[][ETH_GSTRING_LEN] = {
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| 	"RX Queue 0 Frames",
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| 	"RX Queue 1 Frames",
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| 	"RX Queue 2 Frames",
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| 	"RX Queue 3 Frames",
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| };
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| 
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| static const char lan743x_set2_hw_cnt_strings[][ETH_GSTRING_LEN] = {
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| 	"RX Total Frames",
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| 	"EEE RX LPI Transitions",
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| 	"EEE RX LPI Time",
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| 	"RX Counter Rollover Status",
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| 	"TX FCS Errors",
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| 	"TX Excess Deferral Errors",
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| 	"TX Carrier Errors",
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| 	"TX Bad Byte Count",
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| 	"TX Single Collisions",
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| 	"TX Multiple Collisions",
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| 	"TX Excessive Collision",
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| 	"TX Late Collisions",
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| 	"TX Unicast Byte Count",
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| 	"TX Broadcast Byte Count",
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| 	"TX Multicast Byte Count",
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| 	"TX Unicast Frames",
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| 	"TX Broadcast Frames",
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| 	"TX Multicast Frames",
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| 	"TX Pause Frames",
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| 	"TX 64 Byte Frames",
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| 	"TX 65 - 127 Byte Frames",
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| 	"TX 128 - 255 Byte Frames",
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| 	"TX 256 - 511 Bytes Frames",
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| 	"TX 512 - 1023 Byte Frames",
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| 	"TX 1024 - 1518 Byte Frames",
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| 	"TX Greater 1518 Byte Frames",
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| 	"TX Total Frames",
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| 	"EEE TX LPI Transitions",
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| 	"EEE TX LPI Time",
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| 	"TX Counter Rollover Status",
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| };
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| 
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| static const u32 lan743x_set0_hw_cnt_addr[] = {
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| 	STAT_RX_FCS_ERRORS,
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| 	STAT_RX_ALIGNMENT_ERRORS,
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| 	STAT_RX_FRAGMENT_ERRORS,
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| 	STAT_RX_JABBER_ERRORS,
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| 	STAT_RX_UNDERSIZE_FRAME_ERRORS,
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| 	STAT_RX_OVERSIZE_FRAME_ERRORS,
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| 	STAT_RX_DROPPED_FRAMES,
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| 	STAT_RX_UNICAST_BYTE_COUNT,
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| 	STAT_RX_BROADCAST_BYTE_COUNT,
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| 	STAT_RX_MULTICAST_BYTE_COUNT,
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| 	STAT_RX_UNICAST_FRAMES,
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| 	STAT_RX_BROADCAST_FRAMES,
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| 	STAT_RX_MULTICAST_FRAMES,
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| 	STAT_RX_PAUSE_FRAMES,
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| 	STAT_RX_64_BYTE_FRAMES,
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| 	STAT_RX_65_127_BYTE_FRAMES,
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| 	STAT_RX_128_255_BYTE_FRAMES,
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| 	STAT_RX_256_511_BYTES_FRAMES,
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| 	STAT_RX_512_1023_BYTE_FRAMES,
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| 	STAT_RX_1024_1518_BYTE_FRAMES,
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| 	STAT_RX_GREATER_1518_BYTE_FRAMES,
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| };
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| 
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| static const u32 lan743x_set2_hw_cnt_addr[] = {
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| 	STAT_RX_TOTAL_FRAMES,
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| 	STAT_EEE_RX_LPI_TRANSITIONS,
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| 	STAT_EEE_RX_LPI_TIME,
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| 	STAT_RX_COUNTER_ROLLOVER_STATUS,
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| 	STAT_TX_FCS_ERRORS,
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| 	STAT_TX_EXCESS_DEFERRAL_ERRORS,
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| 	STAT_TX_CARRIER_ERRORS,
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| 	STAT_TX_BAD_BYTE_COUNT,
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| 	STAT_TX_SINGLE_COLLISIONS,
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| 	STAT_TX_MULTIPLE_COLLISIONS,
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| 	STAT_TX_EXCESSIVE_COLLISION,
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| 	STAT_TX_LATE_COLLISIONS,
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| 	STAT_TX_UNICAST_BYTE_COUNT,
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| 	STAT_TX_BROADCAST_BYTE_COUNT,
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| 	STAT_TX_MULTICAST_BYTE_COUNT,
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| 	STAT_TX_UNICAST_FRAMES,
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| 	STAT_TX_BROADCAST_FRAMES,
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| 	STAT_TX_MULTICAST_FRAMES,
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| 	STAT_TX_PAUSE_FRAMES,
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| 	STAT_TX_64_BYTE_FRAMES,
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| 	STAT_TX_65_127_BYTE_FRAMES,
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| 	STAT_TX_128_255_BYTE_FRAMES,
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| 	STAT_TX_256_511_BYTES_FRAMES,
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| 	STAT_TX_512_1023_BYTE_FRAMES,
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| 	STAT_TX_1024_1518_BYTE_FRAMES,
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| 	STAT_TX_GREATER_1518_BYTE_FRAMES,
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| 	STAT_TX_TOTAL_FRAMES,
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| 	STAT_EEE_TX_LPI_TRANSITIONS,
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| 	STAT_EEE_TX_LPI_TIME,
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| 	STAT_TX_COUNTER_ROLLOVER_STATUS
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| };
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| 
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| static void lan743x_ethtool_get_strings(struct net_device *netdev,
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| 					u32 stringset, u8 *data)
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| {
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| 	switch (stringset) {
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| 	case ETH_SS_STATS:
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| 		memcpy(data, lan743x_set0_hw_cnt_strings,
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| 		       sizeof(lan743x_set0_hw_cnt_strings));
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| 		memcpy(&data[sizeof(lan743x_set0_hw_cnt_strings)],
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| 		       lan743x_set1_sw_cnt_strings,
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| 		       sizeof(lan743x_set1_sw_cnt_strings));
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| 		memcpy(&data[sizeof(lan743x_set0_hw_cnt_strings) +
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| 		       sizeof(lan743x_set1_sw_cnt_strings)],
 | |
| 		       lan743x_set2_hw_cnt_strings,
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| 		       sizeof(lan743x_set2_hw_cnt_strings));
 | |
| 		break;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void lan743x_ethtool_get_ethtool_stats(struct net_device *netdev,
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| 					      struct ethtool_stats *stats,
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| 					      u64 *data)
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| {
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| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
 | |
| 	int data_index = 0;
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| 	u32 buf;
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| 	int i;
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| 
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| 	for (i = 0; i < ARRAY_SIZE(lan743x_set0_hw_cnt_addr); i++) {
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| 		buf = lan743x_csr_read(adapter, lan743x_set0_hw_cnt_addr[i]);
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| 		data[data_index++] = (u64)buf;
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| 	}
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| 	for (i = 0; i < ARRAY_SIZE(adapter->rx); i++)
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| 		data[data_index++] = (u64)(adapter->rx[i].frame_count);
 | |
| 	for (i = 0; i < ARRAY_SIZE(lan743x_set2_hw_cnt_addr); i++) {
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| 		buf = lan743x_csr_read(adapter, lan743x_set2_hw_cnt_addr[i]);
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| 		data[data_index++] = (u64)buf;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static int lan743x_ethtool_get_sset_count(struct net_device *netdev, int sset)
 | |
| {
 | |
| 	switch (sset) {
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| 	case ETH_SS_STATS:
 | |
| 	{
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| 		int ret;
 | |
| 
 | |
| 		ret = ARRAY_SIZE(lan743x_set0_hw_cnt_strings);
 | |
| 		ret += ARRAY_SIZE(lan743x_set1_sw_cnt_strings);
 | |
| 		ret += ARRAY_SIZE(lan743x_set2_hw_cnt_strings);
 | |
| 		return ret;
 | |
| 	}
 | |
| 	default:
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| 		return -EOPNOTSUPP;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static int lan743x_ethtool_get_rxnfc(struct net_device *netdev,
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| 				     struct ethtool_rxnfc *rxnfc,
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| 				     u32 *rule_locs)
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| {
 | |
| 	switch (rxnfc->cmd) {
 | |
| 	case ETHTOOL_GRXFH:
 | |
| 		rxnfc->data = 0;
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| 		switch (rxnfc->flow_type) {
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| 		case TCP_V4_FLOW:case UDP_V4_FLOW:
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| 		case TCP_V6_FLOW:case UDP_V6_FLOW:
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| 			rxnfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 | |
| 			/* fall through */
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| 		case IPV4_FLOW: case IPV6_FLOW:
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| 			rxnfc->data |= RXH_IP_SRC | RXH_IP_DST;
 | |
| 			return 0;
 | |
| 		}
 | |
| 		break;
 | |
| 	case ETHTOOL_GRXRINGS:
 | |
| 		rxnfc->data = LAN743X_USED_RX_CHANNELS;
 | |
| 		return 0;
 | |
| 	}
 | |
| 	return -EOPNOTSUPP;
 | |
| }
 | |
| 
 | |
| static u32 lan743x_ethtool_get_rxfh_key_size(struct net_device *netdev)
 | |
| {
 | |
| 	return 40;
 | |
| }
 | |
| 
 | |
| static u32 lan743x_ethtool_get_rxfh_indir_size(struct net_device *netdev)
 | |
| {
 | |
| 	return 128;
 | |
| }
 | |
| 
 | |
| static int lan743x_ethtool_get_rxfh(struct net_device *netdev,
 | |
| 				    u32 *indir, u8 *key, u8 *hfunc)
 | |
| {
 | |
| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
 | |
| 
 | |
| 	if (indir) {
 | |
| 		int dw_index;
 | |
| 		int byte_index = 0;
 | |
| 
 | |
| 		for (dw_index = 0; dw_index < 32; dw_index++) {
 | |
| 			u32 four_entries =
 | |
| 				lan743x_csr_read(adapter, RFE_INDX(dw_index));
 | |
| 
 | |
| 			byte_index = dw_index << 2;
 | |
| 			indir[byte_index + 0] =
 | |
| 				((four_entries >> 0) & 0x000000FF);
 | |
| 			indir[byte_index + 1] =
 | |
| 				((four_entries >> 8) & 0x000000FF);
 | |
| 			indir[byte_index + 2] =
 | |
| 				((four_entries >> 16) & 0x000000FF);
 | |
| 			indir[byte_index + 3] =
 | |
| 				((four_entries >> 24) & 0x000000FF);
 | |
| 		}
 | |
| 	}
 | |
| 	if (key) {
 | |
| 		int dword_index;
 | |
| 		int byte_index = 0;
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| 
 | |
| 		for (dword_index = 0; dword_index < 10; dword_index++) {
 | |
| 			u32 four_entries =
 | |
| 				lan743x_csr_read(adapter,
 | |
| 						 RFE_HASH_KEY(dword_index));
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| 
 | |
| 			byte_index = dword_index << 2;
 | |
| 			key[byte_index + 0] =
 | |
| 				((four_entries >> 0) & 0x000000FF);
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| 			key[byte_index + 1] =
 | |
| 				((four_entries >> 8) & 0x000000FF);
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| 			key[byte_index + 2] =
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| 				((four_entries >> 16) & 0x000000FF);
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| 			key[byte_index + 3] =
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| 				((four_entries >> 24) & 0x000000FF);
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| 		}
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| 	}
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| 	if (hfunc)
 | |
| 		(*hfunc) = ETH_RSS_HASH_TOP;
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| 	return 0;
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| }
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| 
 | |
| static int lan743x_ethtool_set_rxfh(struct net_device *netdev,
 | |
| 				    const u32 *indir, const u8 *key,
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| 				    const u8 hfunc)
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| {
 | |
| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
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| 
 | |
| 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
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| 		return -EOPNOTSUPP;
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| 
 | |
| 	if (indir) {
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| 		u32 indir_value = 0;
 | |
| 		int dword_index = 0;
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| 		int byte_index = 0;
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| 
 | |
| 		for (dword_index = 0; dword_index < 32; dword_index++) {
 | |
| 			byte_index = dword_index << 2;
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| 			indir_value =
 | |
| 				(((indir[byte_index + 0] & 0x000000FF) << 0) |
 | |
| 				((indir[byte_index + 1] & 0x000000FF) << 8) |
 | |
| 				((indir[byte_index + 2] & 0x000000FF) << 16) |
 | |
| 				((indir[byte_index + 3] & 0x000000FF) << 24));
 | |
| 			lan743x_csr_write(adapter, RFE_INDX(dword_index),
 | |
| 					  indir_value);
 | |
| 		}
 | |
| 	}
 | |
| 	if (key) {
 | |
| 		int dword_index = 0;
 | |
| 		int byte_index = 0;
 | |
| 		u32 key_value = 0;
 | |
| 
 | |
| 		for (dword_index = 0; dword_index < 10; dword_index++) {
 | |
| 			byte_index = dword_index << 2;
 | |
| 			key_value =
 | |
| 				((((u32)(key[byte_index + 0])) << 0) |
 | |
| 				(((u32)(key[byte_index + 1])) << 8) |
 | |
| 				(((u32)(key[byte_index + 2])) << 16) |
 | |
| 				(((u32)(key[byte_index + 3])) << 24));
 | |
| 			lan743x_csr_write(adapter, RFE_HASH_KEY(dword_index),
 | |
| 					  key_value);
 | |
| 		}
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int lan743x_ethtool_get_ts_info(struct net_device *netdev,
 | |
| 				       struct ethtool_ts_info *ts_info)
 | |
| {
 | |
| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
 | |
| 
 | |
| 	ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
 | |
| 				   SOF_TIMESTAMPING_RX_SOFTWARE |
 | |
| 				   SOF_TIMESTAMPING_SOFTWARE |
 | |
| 				   SOF_TIMESTAMPING_TX_HARDWARE |
 | |
| 				   SOF_TIMESTAMPING_RX_HARDWARE |
 | |
| 				   SOF_TIMESTAMPING_RAW_HARDWARE;
 | |
| 
 | |
| 	if (adapter->ptp.ptp_clock)
 | |
| 		ts_info->phc_index = ptp_clock_index(adapter->ptp.ptp_clock);
 | |
| 	else
 | |
| 		ts_info->phc_index = -1;
 | |
| 
 | |
| 	ts_info->tx_types = BIT(HWTSTAMP_TX_OFF) |
 | |
| 			    BIT(HWTSTAMP_TX_ON) |
 | |
| 			    BIT(HWTSTAMP_TX_ONESTEP_SYNC);
 | |
| 	ts_info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
 | |
| 			      BIT(HWTSTAMP_FILTER_ALL);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int lan743x_ethtool_get_eee(struct net_device *netdev,
 | |
| 				   struct ethtool_eee *eee)
 | |
| {
 | |
| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
 | |
| 	struct phy_device *phydev = netdev->phydev;
 | |
| 	u32 buf;
 | |
| 	int ret;
 | |
| 
 | |
| 	if (!phydev)
 | |
| 		return -EIO;
 | |
| 	if (!phydev->drv) {
 | |
| 		netif_err(adapter, drv, adapter->netdev,
 | |
| 			  "Missing PHY Driver\n");
 | |
| 		return -EIO;
 | |
| 	}
 | |
| 
 | |
| 	ret = phy_ethtool_get_eee(phydev, eee);
 | |
| 	if (ret < 0)
 | |
| 		return ret;
 | |
| 
 | |
| 	buf = lan743x_csr_read(adapter, MAC_CR);
 | |
| 	if (buf & MAC_CR_EEE_EN_) {
 | |
| 		eee->eee_enabled = true;
 | |
| 		eee->eee_active = !!(eee->advertised & eee->lp_advertised);
 | |
| 		eee->tx_lpi_enabled = true;
 | |
| 		/* EEE_TX_LPI_REQ_DLY & tx_lpi_timer are same uSec unit */
 | |
| 		buf = lan743x_csr_read(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT);
 | |
| 		eee->tx_lpi_timer = buf;
 | |
| 	} else {
 | |
| 		eee->eee_enabled = false;
 | |
| 		eee->eee_active = false;
 | |
| 		eee->tx_lpi_enabled = false;
 | |
| 		eee->tx_lpi_timer = 0;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int lan743x_ethtool_set_eee(struct net_device *netdev,
 | |
| 				   struct ethtool_eee *eee)
 | |
| {
 | |
| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
 | |
| 	struct phy_device *phydev = NULL;
 | |
| 	u32 buf = 0;
 | |
| 	int ret = 0;
 | |
| 
 | |
| 	if (!netdev)
 | |
| 		return -EINVAL;
 | |
| 	adapter = netdev_priv(netdev);
 | |
| 	if (!adapter)
 | |
| 		return -EINVAL;
 | |
| 	phydev = netdev->phydev;
 | |
| 	if (!phydev)
 | |
| 		return -EIO;
 | |
| 	if (!phydev->drv) {
 | |
| 		netif_err(adapter, drv, adapter->netdev,
 | |
| 			  "Missing PHY Driver\n");
 | |
| 		return -EIO;
 | |
| 	}
 | |
| 
 | |
| 	if (eee->eee_enabled) {
 | |
| 		ret = phy_init_eee(phydev, 0);
 | |
| 		if (ret) {
 | |
| 			netif_err(adapter, drv, adapter->netdev,
 | |
| 				  "EEE initialization failed\n");
 | |
| 			return ret;
 | |
| 		}
 | |
| 
 | |
| 		buf = (u32)eee->tx_lpi_timer;
 | |
| 		lan743x_csr_write(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT, buf);
 | |
| 
 | |
| 		buf = lan743x_csr_read(adapter, MAC_CR);
 | |
| 		buf |= MAC_CR_EEE_EN_;
 | |
| 		lan743x_csr_write(adapter, MAC_CR, buf);
 | |
| 	} else {
 | |
| 		buf = lan743x_csr_read(adapter, MAC_CR);
 | |
| 		buf &= ~MAC_CR_EEE_EN_;
 | |
| 		lan743x_csr_write(adapter, MAC_CR, buf);
 | |
| 	}
 | |
| 
 | |
| 	return phy_ethtool_set_eee(phydev, eee);
 | |
| }
 | |
| 
 | |
| #ifdef CONFIG_PM
 | |
| static void lan743x_ethtool_get_wol(struct net_device *netdev,
 | |
| 				    struct ethtool_wolinfo *wol)
 | |
| {
 | |
| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
 | |
| 
 | |
| 	wol->supported = 0;
 | |
| 	wol->wolopts = 0;
 | |
| 	phy_ethtool_get_wol(netdev->phydev, wol);
 | |
| 
 | |
| 	wol->supported |= WAKE_BCAST | WAKE_UCAST | WAKE_MCAST |
 | |
| 		WAKE_MAGIC | WAKE_PHY | WAKE_ARP;
 | |
| 
 | |
| 	wol->wolopts |= adapter->wolopts;
 | |
| }
 | |
| 
 | |
| static int lan743x_ethtool_set_wol(struct net_device *netdev,
 | |
| 				   struct ethtool_wolinfo *wol)
 | |
| {
 | |
| 	struct lan743x_adapter *adapter = netdev_priv(netdev);
 | |
| 
 | |
| 	adapter->wolopts = 0;
 | |
| 	if (wol->wolopts & WAKE_UCAST)
 | |
| 		adapter->wolopts |= WAKE_UCAST;
 | |
| 	if (wol->wolopts & WAKE_MCAST)
 | |
| 		adapter->wolopts |= WAKE_MCAST;
 | |
| 	if (wol->wolopts & WAKE_BCAST)
 | |
| 		adapter->wolopts |= WAKE_BCAST;
 | |
| 	if (wol->wolopts & WAKE_MAGIC)
 | |
| 		adapter->wolopts |= WAKE_MAGIC;
 | |
| 	if (wol->wolopts & WAKE_PHY)
 | |
| 		adapter->wolopts |= WAKE_PHY;
 | |
| 	if (wol->wolopts & WAKE_ARP)
 | |
| 		adapter->wolopts |= WAKE_ARP;
 | |
| 
 | |
| 	device_set_wakeup_enable(&adapter->pdev->dev, (bool)wol->wolopts);
 | |
| 
 | |
| 	phy_ethtool_set_wol(netdev->phydev, wol);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| #endif /* CONFIG_PM */
 | |
| 
 | |
| const struct ethtool_ops lan743x_ethtool_ops = {
 | |
| 	.get_drvinfo = lan743x_ethtool_get_drvinfo,
 | |
| 	.get_msglevel = lan743x_ethtool_get_msglevel,
 | |
| 	.set_msglevel = lan743x_ethtool_set_msglevel,
 | |
| 	.get_link = ethtool_op_get_link,
 | |
| 
 | |
| 	.get_eeprom_len = lan743x_ethtool_get_eeprom_len,
 | |
| 	.get_eeprom = lan743x_ethtool_get_eeprom,
 | |
| 	.set_eeprom = lan743x_ethtool_set_eeprom,
 | |
| 	.get_strings = lan743x_ethtool_get_strings,
 | |
| 	.get_ethtool_stats = lan743x_ethtool_get_ethtool_stats,
 | |
| 	.get_sset_count = lan743x_ethtool_get_sset_count,
 | |
| 	.get_rxnfc = lan743x_ethtool_get_rxnfc,
 | |
| 	.get_rxfh_key_size = lan743x_ethtool_get_rxfh_key_size,
 | |
| 	.get_rxfh_indir_size = lan743x_ethtool_get_rxfh_indir_size,
 | |
| 	.get_rxfh = lan743x_ethtool_get_rxfh,
 | |
| 	.set_rxfh = lan743x_ethtool_set_rxfh,
 | |
| 	.get_ts_info = lan743x_ethtool_get_ts_info,
 | |
| 	.get_eee = lan743x_ethtool_get_eee,
 | |
| 	.set_eee = lan743x_ethtool_set_eee,
 | |
| 	.get_link_ksettings = phy_ethtool_get_link_ksettings,
 | |
| 	.set_link_ksettings = phy_ethtool_set_link_ksettings,
 | |
| #ifdef CONFIG_PM
 | |
| 	.get_wol = lan743x_ethtool_get_wol,
 | |
| 	.set_wol = lan743x_ethtool_set_wol,
 | |
| #endif
 | |
| };
 | 
